@php $a = $a ?? null; @endphp
<div class="form-group row">
    <label class="col-lg-3 col-form-label font-weight-semibold">Title <span class="text-danger">*</span></label>
    <div class="col-lg-9"><input name="title" value="{{ old('title', optional($a)->title) }}" required maxlength="150" type="text" class="form-control"></div>
</div>
<div class="form-group row">
    <label class="col-lg-3 col-form-label font-weight-semibold">Subject <span class="text-danger">*</span></label>
    <div class="col-lg-9">
        <select name="subject_id" required class="form-control">
            <option value="">Select subject</option>
            @foreach($subjects as $sub)
                <option value="{{ $sub->id }}" {{ old('subject_id', optional($a)->subject_id) == $sub->id ? 'selected' : '' }}>{{ $sub->name }} — {{ optional($sub->my_class)->name }}</option>
            @endforeach
        </select>
        @if($subjects->isEmpty())<span class="form-text text-danger">No subjects are assigned to you yet. Ask the admin to assign you to a subject.</span>@endif
    </div>
</div>
<div class="form-group row">
    <label class="col-lg-3 col-form-label font-weight-semibold">Section</label>
    <div class="col-lg-9">
        <select name="section_id" class="form-control">
            <option value="">All sections of the class</option>
            @foreach($sections as $class_id => $secs)
                @foreach($secs as $sec)
                    <option value="{{ $sec->id }}" {{ old('section_id', optional($a)->section_id) == $sec->id ? 'selected' : '' }}>{{ optional($sec->my_class)->name }} — {{ $sec->name }}</option>
                @endforeach
            @endforeach
        </select>
        <span class="form-text text-muted">Leave on "All sections" to give the work to the whole class. A section must belong to the subject's class.</span>
    </div>
</div>
<div class="form-group row">
    <label class="col-lg-3 col-form-label font-weight-semibold">Instructions</label>
    <div class="col-lg-9"><textarea name="description" rows="5" maxlength="5000" class="form-control">{{ old('description', optional($a)->description) }}</textarea></div>
</div>
<div class="form-group row">
    <label class="col-lg-3 col-form-label font-weight-semibold">Due date</label>
    <div class="col-lg-9"><input name="due_date" type="date" value="{{ old('due_date', optional($a)->due_date ? date('Y-m-d', strtotime($a->due_date)) : '') }}" class="form-control"></div>
</div>
<div class="form-group row">
    <label class="col-lg-3 col-form-label font-weight-semibold">Attachment</label>
    <div class="col-lg-9">
        <input name="attachment" type="file" class="form-control-file">
        <span class="form-text text-muted">Optional. PDF, Word, Excel, PowerPoint, image or text, up to 5 MB.@if($a && $a->attachment) Current file is kept unless you choose a new one.@endif</span>
    </div>
</div>